Relative of the nectarine (5)
![Ross](/clue/static/ross-mug.min.png)
I believe the answer is:
peach
(Other definitions for peach that I've seen before include "Sweet stone-fruit" , "Juicy fruit with yellow-pink skin and rough stone" , "Turn informer" , "One of the items in the fruit bowl" , "Shade of pink tinged with yellow" .)